/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.csp.sentinel.dashboard.repository.rule;

import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.atomic.AtomicLong;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.gateway.GatewayFlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.AuthorityRuleEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.ParamFlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRulePublisher;
import com.alibaba.csp.sentinel.slots.block.flow.param.ParamFlowClusterConfig;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;

/**
 * @author Eric Zhao
 * @since 0.2.1
 */
@Component
public class InMemParamFlowRuleStore extends InMemoryRuleRepositoryAdapter<ParamFlowRuleEntity> {

    private static AtomicLong ids = new AtomicLong(0);

    public InMemParamFlowRuleStore(ApplicationContext context) {
        super((DynamicRulePublisher<List<ParamFlowRuleEntity>>) context.getBean("paramFlowRuleDatabasePublisher"));
    }

    @Override
    public List<ParamFlowRuleEntity> save(String content) {
        List<ParamFlowRuleEntity> ruleEntities = JSON.parseObject(content, new TypeReference<List<ParamFlowRuleEntity>>() {
        }, null);
        for (ParamFlowRuleEntity ruleItem : ruleEntities) {
            save(ruleItem);
        }
        return ruleEntities;
    }

    @Override
    protected boolean setRuleMachine(String app, String ip, int port, List<ParamFlowRuleEntity> rules) {
        CompletableFuture<Void> voidCompletableFuture = sentinelApiClient.setParamFlowRuleOfMachine(app, ip, port, rules);
        return true;

    }

    @Override
    protected long nextId() {
        return ids.incrementAndGet();
    }

    @Override
    public List<ParamFlowRuleEntity> saveAll(String content) {
        return saveAll(JSON.parseObject(content, new TypeReference<List<ParamFlowRuleEntity>>() {
        }, null));
    }

    @Override
    protected ParamFlowRuleEntity preProcess(ParamFlowRuleEntity entity) {
        if (entity != null && entity.isClusterMode()) {
            ParamFlowClusterConfig config = entity.getClusterConfig();
            if (config == null) {
                config = new ParamFlowClusterConfig();
            }
            // Set cluster rule id.
            config.setFlowId(entity.getId());
        }
        return entity;
    }
}
